Dibenzphenanthrene
二苯并菲
🗣️ 情景例句
Can you tell me how to get to Linden Street, in Riverdale?
你能告诉我怎么去Riverdale的林登街吗?
When I get sleepy,I'll probably get ready for bed.
当我磕睡时，我将上床。
Which would you like?
您喜欢哪种？